11223033532421 has 16 divisors (see below), whose sum is σ = 11507573145600. Its totient is φ = 10939011350400.

The previous prime is 11223033532397. The next prime is 11223033532463. The reversal of 11223033532421 is 12423533032211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223033532421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223033532471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441995636 + ... + 442021026.

It is an arithmetic number, because the mean of its divisors is an integer number (719223321600).

Almost surely, 2^{11223033532421} is an apocalyptic number.

It is an amenable number.

11223033532421 is a deficient number, since it is larger than the sum of its proper divisors (284539613179).

11223033532421 is a wasteful number, since it uses less digits than its factorization.

11223033532421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35140.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 11223033532421 its reverse (12423533032211), we get a palindrome (23646566564632).

The spelling of 11223033532421 in words is "eleven trillion, two hundred twenty-three billion, thirty-three million, five hundred thirty-two thousand, four hundred twenty-one".